Home / 131,686.78-197,559.48-51,732.49

Finding the Fourth Proportional to 131,686.78, 197,559.48 and 51,732.49

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Solution

The fourth proportional to 131,686.78, 197,559.48 and 51,732.49 is: 77,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,686.78 : 197,559.48 = 51,732.49 : x
  2. Step 2: Convert to fraction form
    131,686.78/197,559.48 = 51,732.49/x
  3. Step 3: Cross multiply
    131,686.78x = 197,559.48 × 51,732.49
  4. Step 4: Simplify right side
    131,686.78x = 10,220,244,264.45
  5. Step 5: Solve for x
    x = 10,220,244,264.45/131,686.78
  6. Step 6: Final answer
    x = 77,610.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.